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<table width="100%" summary="page for milk"><tr><td>milk</td><td style="text-align: right;">R Documentation</td></tr></table>

<h2>Milk Sweetness Study</h2>

<h3>Description</h3>

<p>The <code>milk</code> data frame has 17 rows and 2 columns.
Each of 17 panelists compared two milk samples
for sweetness. 
</p>


<h3>Usage</h3>

<pre>milk</pre>


<h3>Format</h3>

<p>This data frame contains the following columns:
</p>

<dl>
<dt>four</dt><dd><p>a numeric vector consisting of the assessments for four units
of additive</p>
</dd>
<dt>one</dt><dd><p>a numeric vector  while the is the assessment for one unit
of additive</p>
</dd>
</dl>



<h3>Source</h3>

<p>J.H. Maindonald
</p>


<h3>Examples</h3>

<pre>
print("Rug Plot - Example 1.8.1")
xyrange &lt;- range(milk)
plot(four ~ one, data = milk, xlim = xyrange, ylim = xyrange, pch = 16)
rug(milk$one)
rug(milk$four, side = 2)
abline(0, 1)
</pre>


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